42272432 has 20 divisors (see below), whose sum is σ = 82003680. Its totient is φ = 21110208.

The previous prime is 42272431. The next prime is 42272443. The reversal of 42272432 is 23427224.

It is not an unprimeable number, because it can be changed into a prime (42272431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24494 + ... + 26162.

It is an arithmetic number, because the mean of its divisors is an integer number (4100184).

Almost surely, 2^42272432 is an apocalyptic number.

It is an amenable number.

42272432 is a deficient number, since it is larger than the sum of its proper divisors (39731248).

42272432 is a wasteful number, since it uses less digits than its factorization.

42272432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260 (or 3254 counting only the distinct ones).

The product of its digits is 5376, while the sum is 26.

The square root of 42272432 is about 6501.7253094852. The cubic root of 42272432 is about 348.3526174368.

Adding to 42272432 its reverse (23427224), we get a palindrome (65699656).

The spelling of 42272432 in words is "forty-two million, two hundred seventy-two thousand, four hundred thirty-two".